Home / 21,745.26-32,628.83-8,608.68

Finding the Fourth Proportional to 21,745.26, 32,628.83 and 8,608.68

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Solution

The fourth proportional to 21,745.26, 32,628.83 and 8,608.68 is: 12,917.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,745.26 : 32,628.83 = 8,608.68 : x
  2. Step 2: Convert to fraction form
    21,745.26/32,628.83 = 8,608.68/x
  3. Step 3: Cross multiply
    21,745.26x = 32,628.83 × 8,608.68
  4. Step 4: Simplify right side
    21,745.26x = 280,891,113.20
  5. Step 5: Solve for x
    x = 280,891,113.20/21,745.26
  6. Step 6: Final answer
    x = 12,917.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.